Gets the path to the language directory for the current locale.

Checks the plugins and themes language directories as well as any custom directory set via load_plugin_textdomain() or load_theme_textdomain() .

• _get_path_to_translation_from_lang_dir()

$domain string Required

Text domain.

$locale string Required

Locale.

string|false Language directory path or false if there is none available.

File: wp-includes/class-wp-textdomain-registry.php. View all references

private function get_path_from_lang_dir( $domain, $locale ) {
	$locations = array(
		WP_LANG_DIR . '/plugins',
		WP_LANG_DIR . '/themes',
	);

	if ( isset( $this->custom_paths[ $domain ] ) ) {
		$locations[] = $this->custom_paths[ $domain ];
	}

	$mofile = "$domain-$locale.mo";

	foreach ( $locations as $location ) {
		if ( ! isset( $this->cached_mo_files[ $location ] ) ) {
			$this->set_cached_mo_files( $location );
		}

		$path = $location . '/' . $mofile;

		if ( in_array( $path, $this->cached_mo_files[ $location ], true ) ) {
			$this->set( $domain, $locale, $location );

			return trailingslashit( $location );
		}
	}

	// If no path is found for the given locale and a custom path has been set
	// using load_plugin_textdomain/load_theme_textdomain, use that one.
	if ( 'en_US' !== $locale && isset( $this->custom_paths[ $domain ] ) ) {
		$path = trailingslashit( $this->custom_paths[ $domain ] );
		$this->set( $domain, $locale, $path );
		return $path;
	}

	$this->set( $domain, $locale, false );

	return false;
}